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June 7th, 2026 :: 2:31 am CDT   

Local Weather Report for
Decatur
Illinois, United States

 Current Decatur Weather Conditions Updated June 7th at 12:54 am 
Temperature:75°F Dew Point:68°F
Barometer:29.92 inHg Wind:calm
Humidity:78.4% Visibility:0M
 
 Decatur Weather Forecast Summary  
 
Today
Jun 7th
Monday
Jun 8th
Tuesday
Jun 9th
Wednesday
Jun 10th
Thursday
Jun 11th
Mostly Cloudy Mostly Cloudy Mostly Sunny Mostly Sunny Mostly Sunny
79°F
75°F
68°F
89°F
68°F
90°F
73°F
90°F
73°F
 
 Decatur Detailed Weather Forecast  
 
Sunday, June 7th, 2026
Overnight Temperature: 68°F
A mix of cloudy and clear skies with a chance of showers. Slight chance of a thunderstorm.
Morning Temperature: 72°F
Mostly cloudy with a chance of showers.
Afternoon Temperature: 79°F
Mostly cloudy. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 73°F
Mostly cloudy with a chance of showers. Slight chance of a thunderstorm. Windy at times.
Monday, June 8th, 2026
Overnight Temperature: 69°F
Mostly cloudy with a slight chance of showers.
Morning Temperature: 69°F
Cloudy with a chance of showers. Windy at times.
Afternoon Temperature: 74°F
A mix of cloud and sun with a chance of showers. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 72°F
A mix of cloudy and clear skies with a slight chance of showers or thundershowers. Windy at times.
Tuesday, June 9th, 2026
Overnight Temperature: 68°F
A mix of clear and cloudy skies.
Morning Temperature: 74°F
A mix of cloud and sun. Chance of a thunderstorm.
Afternoon Temperature: 87°F
A mix of sun and cloud. Chance of a thunderstorm.
Evening Temperature: 82°F
Clear with a chance of showers or thundershowers.
Wednesday, June 10th, 2026
Overnight Temperature: 73°F
Mostly clear with a chance of showers or thundershowers.
Morning Temperature: 81°F
Sunny with a slight chance of showers or thundershowers. Windy at times.
Afternoon Temperature: 90°F
Sunny. Chance of a thunderstorm. Windy at times.
Evening Temperature: 82°F
Clear. Chance of a thunderstorm. Windy at times.
Thursday, June 11th, 2026
Overnight Temperature: 75°F
Clear with a chance of showers or thundershowers. Windy at times.
Morning Temperature: 79°F
Mostly sunny with a slight chance of showers or thundershowers. Windy at times.
Afternoon Temperature: 90°F
Mostly sunny with a slight chance of showers or thundershowers. Windy at times.
Evening Temperature: 81°F
Clear with cloudy periods with a slight chance of showers or thundershowers. Windy at times.
Friday, June 12th, 2026
Overnight Temperature: 74°F
Mostly clear with showers likely. Chance of a thunderstorm. Windy at times.
Morning Temperature: 75°F
Cloudy with showers. Chance of a thunderstorm.
Afternoon Temperature: 84°F
Mostly sunny with a few showers. Chance of a thunderstorm.
Evening Temperature: 74°F
Clear. Chance of a thunderstorm.
Saturday, June 13th, 2026
Overnight Temperature: 67°F
Clear with cloudy periods.
Morning Temperature: 73°F
A mix of cloud and sun.
Afternoon Temperature: 79°F
A mix of sun and cloud.
Evening Temperature: 73°F
Clear with cloudy periods. Slight chance of a thunderstorm. Windy at times.
Sunday, June 14th, 2026
Overnight Temperature: 65°F
Clear. Windy at times.
Morning Temperature: 70°F
Sunny. Windy at times.
Afternoon Temperature: 79°F
Sunny with cloudy periods. Windy at times.
Evening Temperature: 74°F
A mix of cloudy and clear skies. Slight chance of a thunderstorm.





 

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This WeatherCity Weather Forecast for Decatur, Illinois, United States is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

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